Abstract
Polyurethane and its composites have been synthesized using 4,4’-methylene bis(cyclohexyl) isocyanate and the catalyst dibutyltin dilaurate. The chemical ageing such as hydrolytic stability (ethanol, water, and salt solution), chemical stability (acid, base and oxidizing agent) and stability in organic solvents (ethyl methyl ketone, acetone, toluene, chloroform, dimethyl acetamide) have been undertaken and the results are discussed. Thermal stability is also done and the results are discussed. The bio-degradability of polyurethanes and its composites have also been tested by soil burial test and assessed by scanning electron microscopic (SEM) analysis.
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